The pressure of a gas is measured as 49 torr. Represent this pressure in both atmosphere and pascals.

What is the major organic product that results when 1-heptene is treated with hbr?

Uses a special type of paper to separate liquids based on their different densities a. filtration b. distillation c. crystallization d. chromatography

What is the best way to determine whether a substance is an acid or a base?

Which of the following is an electrolyte?

10. Which organisms in the soil break down plant and animal material along with pesticides and herbicides? A. Insects C. Bacteria B. Animals D. Plants

How does an object become negatively charged? It gains electrons. It loses electrons. It gains protons. It loses protons.

TRY H Vele Elements y Llectron Configurations for P-Block Use the periodic table to determine the electron configuration for aluminum (AI) and arsenic (As) in noble-gas notation A [Ar]352301 [He1232206352301 [Ne]3:23p1 [Ne]352302

If you measure the mass of a model car to be 230 grams. the actual mass is 218 grams. what is your percent error.

If I have 1.9 moles of gas held at a pressure of 5 atm and in a container with a volume of 50 liters, what is the temperature of the gas?

A student measured 1.0 kcal when the student combined 99.7 mL of 3 M HCl with 100 mL of 3 M NaOH. Given that the reaction is HCl (aq) + NaOH (aq) → NaCl (aq) + H2O what was ΔHneutralization per mole of water?